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Finding the Fourth Proportional to 368,435.20, 552,652.80 and 275,123.20

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Solution

The fourth proportional to 368,435.20, 552,652.80 and 275,123.20 is: 412,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,435.20 : 552,652.80 = 275,123.20 : x
  2. Step 2: Convert to fraction form
    368,435.20/552,652.80 = 275,123.20/x
  3. Step 3: Cross multiply
    368,435.20x = 552,652.80 × 275,123.20
  4. Step 4: Simplify right side
    368,435.20x = 152,047,606,824.96
  5. Step 5: Solve for x
    x = 152,047,606,824.96/368,435.20
  6. Step 6: Final answer
    x = 412,684.80

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